<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>Contenteditable</title>
    <link rel="stylesheet" href="demo.css">
</head>
<body>

<form id="form1" class="form" data-validator-option="{timely:2}">
    <div class="form-item">
        <div contenteditable id="email" data-rule="required;email"></div>
    </div>
    <div class="form-item">
        <button type="submit">Submit</button>
    </div>
</form>


<script src="https://cdn.jsdelivr.net/jquery/1.12.3/jquery.min.js"></script>
<script src="../dist/jquery.validator.js?local=en"></script>
<script>
$('#form1').on('valid.form', function(){
  alert('ok')
});
</script>
</body>
</html>